6391146495 has 16 divisors (see below), whose sum is σ = 10349039232. Its totient is φ = 3367543200.

The previous prime is 6391146449. The next prime is 6391146523. The reversal of 6391146495 is 5946411936.

It is a happy number.

It is not a de Polignac number, because 6391146495 - 2¹⁰ = 6391145471 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2565481 + ... + 2567970.

It is an arithmetic number, because the mean of its divisors is an integer number (646814952).

Almost surely, 2^6391146495 is an apocalyptic number.

6391146495 is a deficient number, since it is larger than the sum of its proper divisors (3957892737).

6391146495 is a wasteful number, since it uses less digits than its factorization.

6391146495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133542.

The product of its digits is 699840, while the sum is 48.

The square root of 6391146495 is about 79944.6464436487. The cubic root of 6391146495 is about 1855.7790064880.

The spelling of 6391146495 in words is "six billion, three hundred ninety-one million, one hundred forty-six thousand, four hundred ninety-five".